Manchester United fans are convinced that Alejandro Garnacho might have saved Erik ten Hag’s career at Old Trafford after his stunning brace against Aston Villa. John McGinn fired Villa into a first-half lead on Tuesday evening at Old Trafford before Leander Dendoncker put Unai Emery’s men 2-0 up five minutes later. Ten Hag’s men were booed in the first half at home and United fans feared for the Dutchman’s future after a disappointing performance ahead of half-time. However, United saw a remarkable turnaround in the second half and Garnacho spearheaded the Red Devils’ performance with a stunn…